EP 0518246 B1 19990317 - Method for production of wooden hollow beams and forms of this beam obtained by this method
Title (en)
Method for production of wooden hollow beams and forms of this beam obtained by this method
Title (de)
Verfahren zur Holzhohlbalkenherstellung und Holzhohlbalkenformen nach diesem Verfahren
Title (fr)
Procédé de fabrication de poutre creuse en bois et les structures de cette poutre obtenues par ce procédé
Publication
Application
Priority
- DE 4204616 A 19920215
- DE 9107371 U 19910614
- DE 9107760 U 19910624
Abstract (en)
[origin: EP0518246A2] The inventions relate to methods for the production of wooden hollow beams (50) and forms of this beam. Serving as feed stock are round-timber outer parts/slabs from medium and thick round-timber diameters as well as segments/halved timber from the small-timber range. The feed stock/raw material (5) similar to halved timber is preferably profiled conically on three sides in the wet state and is slit (12) to protect against stress/drying cracks. After the drying the polygonal finish profiling is effected and so too is the severing into individual elements (21), the conversions of which lead to a wooden beam (50) with outer solid-timber character and inner hole (51) (wooden hollow beam), or the severing is effected during or after the formation of layers, and composite materials (74, 75, 76) can be embedded in the hollow wooden beams (50) in the most varied processing operations. Similarly, the procedure/method according to the invention takes place to utilise wedge-shaped round-timber centre pieces (3) - as are obtained when sawing parallel to the fibres; or the assembly of only two parts to make "superimposed" ceiling joists/trusses.
IPC 1-7
IPC 8 full level
B27B 1/00 (2006.01); B27M 3/00 (2006.01); E04C 3/14 (2006.01); E04C 3/18 (2006.01)
CPC (source: EP)
B27B 1/00 (2013.01); B27M 3/0053 (2013.01); E04C 3/14 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0518246 A2 19921216; EP 0518246 A3 19930519; EP 0518246 B1 19990317; AT E177672 T1 19990415; DE 59209652 D1 19990422
DOCDB simple family (application)
EP 92109618 A 19920606; AT 92109618 T 19920606; DE 59209652 T 19920606